Land Acquisition Act 1894 - Sections 4(1) 5-a, 6,17 read with LA(Amendment) Act 1984 read with U.P. Urban Planning and Development Act 1975- Notification and declaration- Lnad for public purpose - whether the declaration u/s 6 of the Act could be issued simultaneously alongwith notification u/s 4 of the Act in view of the amendment made to Section 17(4) of the Act- High Court had quashed the notification - Dismissing the appeals held, date of declaration had to be made, subsequent to date of publication of notification u/s 4(1)